X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=yang%2Fyang-parser-reactor%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fparser%2Fstmt%2Freactor%2FStatementContextBase.java;h=aa0b2702142dbd0f6efc381208c53fb61f5c0025;hb=refs%2Fchanges%2F08%2F94008%2F2;hp=fa9f8a540d000a4da56536e855195724d6b69a2d;hpb=c87c92e768cc60fc0514aecfddf4841a6f5ad667;p=yangtools.git diff --git a/yang/yang-parser-reactor/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java b/yang/yang-parser-reactor/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java index fa9f8a540d..aa0b270214 100644 --- a/yang/yang-parser-reactor/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java +++ b/yang/yang-parser-reactor/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/reactor/StatementContextBase.java @@ -14,8 +14,6 @@ import static com.google.common.base.Verify.verify; import static java.util.Objects.requireNonNull; import com.google.common.annotations.Beta; -import com.google.common.base.MoreObjects; -import com.google.common.base.MoreObjects.ToStringHelper; import com.google.common.collect.ImmutableCollection; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableMultimap; @@ -28,50 +26,29 @@ import java.util.EnumMap; import java.util.EventListener; import java.util.Iterator; import java.util.List; -import java.util.Map; import java.util.Map.Entry; import java.util.Optional; -import java.util.Set; +import java.util.stream.Stream; import org.eclipse.jdt.annotation.NonNull; import org.eclipse.jdt.annotation.Nullable; -import org.opendaylight.yangtools.yang.common.QName; import org.opendaylight.yangtools.yang.common.QNameModule; -import org.opendaylight.yangtools.yang.common.YangVersion; -import org.opendaylight.yangtools.yang.model.api.SchemaPath; import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement; import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement; import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace; import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition; -import org.opendaylight.yangtools.yang.model.api.meta.StatementSource; -import org.opendaylight.yangtools.yang.model.api.stmt.AugmentStatement; -import org.opendaylight.yangtools.yang.model.api.stmt.ConfigStatement; -import org.opendaylight.yangtools.yang.model.api.stmt.DeviationStatement; -import org.opendaylight.yangtools.yang.model.api.stmt.RefineStatement; -import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier; -import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement; -import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier; import org.opendaylight.yangtools.yang.parser.spi.meta.CopyHistory; import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType; import org.opendaylight.yangtools.yang.parser.spi.meta.ImplicitParentAwareStatementSupport; -import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException; import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder; import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase; -import org.opendaylight.yangtools.yang.parser.spi.meta.MutableStatement; import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour; -import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour.Registry; import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceKeyCriterion; -import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceNotAvailableException; import org.opendaylight.yangtools.yang.parser.spi.meta.StatementNamespace; import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport; import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport.CopyPolicy; import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext; -import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable; -import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils; import org.opendaylight.yangtools.yang.parser.spi.source.ImplicitSubstatement; import org.opendaylight.yangtools.yang.parser.spi.source.SourceException; -import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference; -import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace; -import org.opendaylight.yangtools.yang.parser.spi.source.SupportedFeaturesNamespace.SupportedFeatures; import org.opendaylight.yangtools.yang.parser.stmt.reactor.NamespaceBehaviourWithListeners.KeyedValueAddedListener; import org.opendaylight.yangtools.yang.parser.stmt.reactor.NamespaceBehaviourWithListeners.PredicateValueAddedListener; import org.slf4j.Logger; @@ -85,7 +62,7 @@ import org.slf4j.LoggerFactory; * @param Effective Statement representation */ public abstract class StatementContextBase, E extends EffectiveStatement> - extends NamespaceStorageSupport implements Mutable { + extends ReactorStmtCtx { /** * Event listener when an item is added to model namespace. */ @@ -116,24 +93,6 @@ public abstract class StatementContextBase, E private static final Logger LOG = LoggerFactory.getLogger(StatementContextBase.class); - // Flag bit assignments - private static final int IS_SUPPORTED_BY_FEATURES = 0x01; - private static final int HAVE_SUPPORTED_BY_FEATURES = 0x02; - private static final int IS_IGNORE_IF_FEATURE = 0x04; - private static final int HAVE_IGNORE_IF_FEATURE = 0x08; - // Note: these four are related - private static final int IS_IGNORE_CONFIG = 0x10; - private static final int HAVE_IGNORE_CONFIG = 0x20; - private static final int IS_CONFIGURATION = 0x40; - private static final int HAVE_CONFIGURATION = 0x80; - - // Have-and-set flag constants, also used as masks - private static final int SET_SUPPORTED_BY_FEATURES = HAVE_SUPPORTED_BY_FEATURES | IS_SUPPORTED_BY_FEATURES; - private static final int SET_CONFIGURATION = HAVE_CONFIGURATION | IS_CONFIGURATION; - // Note: implies SET_CONFIGURATION, allowing fewer bit operations to be performed - private static final int SET_IGNORE_CONFIG = HAVE_IGNORE_CONFIG | IS_IGNORE_CONFIG | SET_CONFIGURATION; - private static final int SET_IGNORE_IF_FEATURE = HAVE_IGNORE_IF_FEATURE | IS_IGNORE_IF_FEATURE; - private final CopyHistory copyHistory; // Note: this field can strictly be derived in InferredStatementContext, but it forms the basis of many of our // operations, hence we want to keep it close by. @@ -141,37 +100,17 @@ public abstract class StatementContextBase, E private Multimap phaseListeners = ImmutableMultimap.of(); private Multimap phaseMutation = ImmutableMultimap.of(); - private List> effective = ImmutableList.of(); + private List> effectOfStatement = ImmutableList.of(); private @Nullable ModelProcessingPhase completedPhase; - private @Nullable E effectiveInstance; - - // Master flag controlling whether this context can yield an effective statement - // FIXME: investigate the mechanics that are being supported by this, as it would be beneficial if we can get rid - // of this flag -- eliminating the initial alignment shadow used by below gap-filler fields. - private boolean isSupportedToBuildEffective = true; - - // Flag for use with AbstractResumedStatement. This is hiding in the alignment shadow created by above boolean - private boolean fullyDefined; - - // Flags for use with SubstatementContext. These are hiding in the alignment shadow created by above boolean and - // hence improve memory layout. - private byte flags; - - // SchemaPath cache for use with SubstatementContext and InferredStatementContext. This hurts RootStatementContext - // a bit in terms of size -- but those are only a few and SchemaPath is on its way out anyway. - private volatile SchemaPath schemaPath; // Copy constructor used by subclasses to implement reparent() StatementContextBase(final StatementContextBase original) { + super(original); this.copyHistory = original.copyHistory; this.definition = original.definition; - - this.isSupportedToBuildEffective = original.isSupportedToBuildEffective; - this.fullyDefined = original.fullyDefined; this.completedPhase = original.completedPhase; - this.flags = original.flags; } StatementContextBase(final StatementDefinitionContext def) { @@ -209,47 +148,6 @@ public abstract class StatementContextBase, E effectOfStatement.addAll(ctxs); } - @Override - public boolean isSupportedByFeatures() { - final int fl = flags & SET_SUPPORTED_BY_FEATURES; - if (fl != 0) { - return fl == SET_SUPPORTED_BY_FEATURES; - } - if (isIgnoringIfFeatures()) { - flags |= SET_SUPPORTED_BY_FEATURES; - return true; - } - - /* - * If parent is supported, we need to check if-features statements of this context. - */ - if (isParentSupportedByFeatures()) { - // If the set of supported features has not been provided, all features are supported by default. - final Set supportedFeatures = getFromNamespace(SupportedFeaturesNamespace.class, - SupportedFeatures.SUPPORTED_FEATURES); - if (supportedFeatures == null || StmtContextUtils.checkFeatureSupport(this, supportedFeatures)) { - flags |= SET_SUPPORTED_BY_FEATURES; - return true; - } - } - - // Either parent is not supported or this statement is not supported - flags |= HAVE_SUPPORTED_BY_FEATURES; - return false; - } - - protected abstract boolean isParentSupportedByFeatures(); - - @Override - public boolean isSupportedToBuildEffective() { - return isSupportedToBuildEffective; - } - - @Override - public void setIsSupportedToBuildEffective(final boolean isSupportedToBuildEffective) { - this.isSupportedToBuildEffective = isSupportedToBuildEffective; - } - @Override public CopyHistory getCopyHistory() { return copyHistory; @@ -266,137 +164,39 @@ public abstract class StatementContextBase, E this.completedPhase = completedPhase; } - @Override - public abstract StatementContextBase getParentContext(); - - /** - * Returns the model root for this statement. - * - * @return root context of statement - */ - @Override - public abstract RootStatementContext getRoot(); - - @Override - public final @NonNull Registry getBehaviourRegistry() { - return getRoot().getBehaviourRegistryImpl(); - } - - @Override - public final YangVersion getRootVersion() { - return getRoot().getRootVersionImpl(); - } - - @Override - public final void setRootVersion(final YangVersion version) { - getRoot().setRootVersionImpl(version); - } - - @Override - public final void addMutableStmtToSeal(final MutableStatement mutableStatement) { - getRoot().addMutableStmtToSealImpl(mutableStatement); - } - - @Override - public final void addRequiredSource(final SourceIdentifier dependency) { - getRoot().addRequiredSourceImpl(dependency); - } - - @Override - public final void setRootIdentifier(final SourceIdentifier identifier) { - getRoot().setRootIdentifierImpl(identifier); - } - - @Override - public final boolean isEnabledSemanticVersioning() { - return getRoot().isEnabledSemanticVersioningImpl(); - } - - @Override - public StatementSource getStatementSource() { - return getStatementSourceReference().getStatementSource(); - } - - @Override - public final > Map getAllFromCurrentStmtCtxNamespace( - final Class type) { - return getLocalNamespace(type); - } - - @Override - public final > Map getAllFromNamespace(final Class type) { - return getNamespace(type); - } - - /** - * Associate a value with a key within a namespace. - * - * @param type Namespace type - * @param key Key - * @param value value - * @param namespace key type - * @param namespace value type - * @param namespace type - * @param key type - * @param value type - * @throws NamespaceNotAvailableException when the namespace is not available. - */ @Override public final > void addToNs( - final Class type, final T key, final U value) { + final Class<@NonNull N> type, final T key, final U value) { addToNamespace(type, key, value); } - @Override - public abstract Collection> mutableDeclaredSubstatements(); - - /** - * Return a value associated with specified key within a namespace. - * - * @param type Namespace type - * @param key Key - * @param namespace key type - * @param namespace value type - * @param namespace type - * @param key type - * @return Value, or null if there is no element - * @throws NamespaceNotAvailableException when the namespace is not available. - */ - @Override - public final > V getFromNamespace(final Class type, - final T key) { - return getBehaviourRegistry().getNamespaceBehaviour(type).getFrom(this, key); + static final Collection> mutableEffectiveSubstatements( + final List> effective) { + return effective instanceof ImmutableCollection ? effective : Collections.unmodifiableCollection(effective); } - @Override - public Collection> mutableEffectiveSubstatements() { - if (effective instanceof ImmutableCollection) { - return effective; - } - - return Collections.unmodifiableCollection(effective); + private static List> shrinkEffective( + final List> effective) { + return effective.isEmpty() ? ImmutableList.of() : effective; } - private void shrinkEffective() { - if (effective.isEmpty()) { - effective = ImmutableList.of(); - } - } + public abstract void removeStatementFromEffectiveSubstatements(StatementDefinition statementDef); - public void removeStatementFromEffectiveSubstatements(final StatementDefinition statementDef) { + static final List> removeStatementFromEffectiveSubstatements( + final List> effective, final StatementDefinition statementDef) { if (effective.isEmpty()) { - return; + return effective; } final Iterator> iterator = effective.iterator(); while (iterator.hasNext()) { final StmtContext next = iterator.next(); - if (statementDef.equals(next.getPublicDefinition())) { + if (statementDef.equals(next.publicDefinition())) { iterator.remove(); } } - shrinkEffective(); + return shrinkEffective(effective); } /** @@ -411,25 +211,29 @@ public abstract class StatementContextBase, E * @param statementDef statement definition of the statement context to remove * @param statementArg statement argument of the statement context to remove */ - public void removeStatementFromEffectiveSubstatements(final StatementDefinition statementDef, + public abstract void removeStatementFromEffectiveSubstatements(StatementDefinition statementDef, + String statementArg); + + static final List> removeStatementFromEffectiveSubstatements( + final List> effective, final StatementDefinition statementDef, final String statementArg) { if (statementArg == null) { - removeStatementFromEffectiveSubstatements(statementDef); + return removeStatementFromEffectiveSubstatements(effective, statementDef); } if (effective.isEmpty()) { - return; + return effective; } final Iterator> iterator = effective.iterator(); while (iterator.hasNext()) { final Mutable next = iterator.next(); - if (statementDef.equals(next.getPublicDefinition()) && statementArg.equals(next.rawStatementArgument())) { + if (statementDef.equals(next.publicDefinition()) && statementArg.equals(next.rawArgument())) { iterator.remove(); } } - shrinkEffective(); + return shrinkEffective(effective); } // YANG example: RPC/action statements always have 'input' and 'output' defined @@ -439,7 +243,7 @@ public abstract class StatementContextBase, E // FIXME: YANGTOOLS-652: This does not need to be a SubstatementContext, in can be a specialized // StatementContextBase subclass. final Mutable ret = new SubstatementContext<>(this, new StatementDefinitionContext<>(support), - ImplicitSubstatement.of(getStatementSourceReference()), rawArg); + ImplicitSubstatement.of(sourceReference()), rawArg); support.onStatementAdded(ret); addEffectiveSubstatement(ret); return ret; @@ -449,21 +253,23 @@ public abstract class StatementContextBase, E * Adds an effective statement to collection of substatements. * * @param substatement substatement - * @throws IllegalStateException - * if added in declared phase - * @throws NullPointerException - * if statement parameter is null + * @throws IllegalStateException if added in declared phase + * @throws NullPointerException if statement parameter is null */ - public void addEffectiveSubstatement(final Mutable substatement) { + public abstract void addEffectiveSubstatement(Mutable substatement); + + final List> addEffectiveSubstatement( + final List> effective, final Mutable substatement) { verifyStatement(substatement); - beforeAddEffectiveStatement(1); + final List> resized = beforeAddEffectiveStatement(effective, 1); final StatementContextBase stmt = (StatementContextBase) substatement; final ModelProcessingPhase phase = completedPhase; if (phase != null) { ensureCompletedPhase(stmt, phase); } - effective.add(stmt); + resized.add(stmt); + return resized; } /** @@ -475,21 +281,40 @@ public abstract class StatementContextBase, E * @throws NullPointerException * if statement parameter is null */ - public void addEffectiveSubstatements(final Collection> statements) { + public final void addEffectiveSubstatements(final Collection> statements) { if (!statements.isEmpty()) { statements.forEach(StatementContextBase::verifyStatement); - beforeAddEffectiveStatement(statements.size()); - - final Collection> casted = - (Collection>) statements; - final ModelProcessingPhase phase = completedPhase; - if (phase != null) { - for (StatementContextBase stmt : casted) { - ensureCompletedPhase(stmt, phase); - } + addEffectiveSubstatementsImpl(statements); + } + } + + abstract void addEffectiveSubstatementsImpl(Collection> statements); + + final List> addEffectiveSubstatementsImpl( + final List> effective, + final Collection> statements) { + final List> resized = beforeAddEffectiveStatement(effective, statements.size()); + final Collection> casted = + (Collection>) statements; + final ModelProcessingPhase phase = completedPhase; + if (phase != null) { + for (StatementContextBase stmt : casted) { + ensureCompletedPhase(stmt, phase); } + } + + resized.addAll(casted); + return resized; + } + + abstract Iterable> effectiveChildrenToComplete(); - effective.addAll(casted); + // exposed for InferredStatementContext only + final void ensureCompletedPhase(final Mutable stmt) { + verifyStatement(stmt); + final ModelProcessingPhase phase = completedPhase; + if (phase != null) { + ensureCompletedPhase((StatementContextBase) stmt, phase); } } @@ -505,40 +330,34 @@ public abstract class StatementContextBase, E verify(stmt instanceof StatementContextBase, "Unexpected statement %s", stmt); } - private void beforeAddEffectiveStatement(final int toAdd) { + private List> beforeAddEffectiveStatement( + final List> effective, final int toAdd) { // We cannot allow statement to be further mutated - final StatementSourceReference ref = getStatementSourceReference(); - verify(completedPhase != ModelProcessingPhase.EFFECTIVE_MODEL, "Cannot modify finished statement at %s", ref); + verify(completedPhase != ModelProcessingPhase.EFFECTIVE_MODEL, "Cannot modify finished statement at %s", + sourceReference()); + return beforeAddEffectiveStatementUnsafe(effective, toAdd); + } + final List> beforeAddEffectiveStatementUnsafe( + final List> effective, final int toAdd) { final ModelProcessingPhase inProgressPhase = getRoot().getSourceContext().getInProgressPhase(); checkState(inProgressPhase == ModelProcessingPhase.FULL_DECLARATION || inProgressPhase == ModelProcessingPhase.EFFECTIVE_MODEL, - "Effective statement cannot be added in declared phase at: %s", ref); + "Effective statement cannot be added in declared phase at: %s", sourceReference()); - if (effective.isEmpty()) { - effective = new ArrayList<>(toAdd); - } - } - - // Exists only due to memory optimization - final boolean fullyDefined() { - return fullyDefined; - } - - // Exists only due to memory optimization, should live in AbstractResumedStatement - final void setFullyDefined() { - fullyDefined = true; + return effective.isEmpty() ? new ArrayList<>(toAdd) : effective; } + // Exposed for ReplicaStatementContext @Override - public E buildEffective() { - final E existing; - return (existing = effectiveInstance) != null ? existing : loadEffective(); + E createEffective() { + return definition.getFactory().createEffective(new BaseCurrentEffectiveStmtCtx<>(this), streamDeclared(), + streamEffective()); } - private E loadEffective() { - return effectiveInstance = definition.getFactory().createEffective(this); - } + abstract Stream> streamDeclared(); + + abstract Stream> streamEffective(); /** * Try to execute current {@link ModelProcessingPhase} of source parsing. If the phase has already been executed, @@ -566,7 +385,7 @@ public abstract class StatementContextBase, E for (final StatementContextBase child : mutableDeclaredSubstatements()) { finished &= child.tryToCompletePhase(phase); } - for (final StatementContextBase child : effective) { + for (final StatementContextBase child : effectiveChildrenToComplete()) { finished &= child.tryToCompletePhase(phase); } return finished; @@ -591,13 +410,17 @@ public abstract class StatementContextBase, E if (openMutations.isEmpty()) { phaseMutation.removeAll(phase); - if (phaseMutation.isEmpty()) { - phaseMutation = ImmutableMultimap.of(); - } + cleanupPhaseMutation(); } return finished; } + private void cleanupPhaseMutation() { + if (phaseMutation.isEmpty()) { + phaseMutation = ImmutableMultimap.of(); + } + } + /** * Occurs on end of {@link ModelProcessingPhase} of source parsing. * @@ -639,24 +462,9 @@ public abstract class StatementContextBase, E definition.onDeclarationFinished(this, phase); } - /** - * Return the context in which this statement was defined. - * - * @return statement definition - */ - protected final @NonNull StatementDefinitionContext definition() { - return definition; - } - - @Override - protected void checkLocalNamespaceAllowed(final Class> type) { - definition.checkNamespaceAllowed(type); - } - @Override - protected > void onNamespaceElementAdded(final Class type, final K key, - final V value) { - // definition().onNamespaceElementAdded(this, type, key, value); + final StatementDefinitionContext definition() { + return definition; } final > void onNamespaceItemAddedAction(final Class type, final K key, @@ -730,16 +538,6 @@ public abstract class StatementContextBase, E return (NamespaceBehaviourWithListeners) behaviour; } - @Override - public StatementDefinition getPublicDefinition() { - return definition.getPublicView(); - } - - @Override - public ModelActionBuilder newInferenceAction(final ModelProcessingPhase phase) { - return getRoot().getSourceContext().newInferenceAction(phase); - } - private static Multimap newMultimap() { return Multimaps.newListMultimap(new EnumMap<>(ModelProcessingPhase.class), () -> new ArrayList<>(1)); } @@ -753,8 +551,8 @@ public abstract class StatementContextBase, E * @throws NullPointerException if any of the arguments is null */ void addPhaseCompletedListener(final ModelProcessingPhase phase, final OnPhaseFinished listener) { - checkNotNull(phase, "Statement context processing phase cannot be null at: %s", getStatementSourceReference()); - checkNotNull(listener, "Statement context phase listener cannot be null at: %s", getStatementSourceReference()); + checkNotNull(phase, "Statement context processing phase cannot be null at: %s", sourceReference()); + checkNotNull(listener, "Statement context phase listener cannot be null at: %s", sourceReference()); ModelProcessingPhase finishedPhase = completedPhase; while (finishedPhase != null) { @@ -774,14 +572,13 @@ public abstract class StatementContextBase, E /** * Adds a {@link ContextMutation} to a {@link ModelProcessingPhase}. * - * @throws IllegalStateException - * when the mutation was registered after phase was completed + * @throws IllegalStateException when the mutation was registered after phase was completed */ - void addMutation(final ModelProcessingPhase phase, final ContextMutation mutation) { + final void addMutation(final ModelProcessingPhase phase, final ContextMutation mutation) { ModelProcessingPhase finishedPhase = completedPhase; while (finishedPhase != null) { checkState(!phase.equals(finishedPhase), "Mutation registered after phase was completed at: %s", - getStatementSourceReference()); + sourceReference()); finishedPhase = finishedPhase.getPreviousPhase(); } @@ -791,8 +588,15 @@ public abstract class StatementContextBase, E phaseMutation.put(phase, mutation); } + final void removeMutation(final ModelProcessingPhase phase, final ContextMutation mutation) { + if (!phaseMutation.isEmpty()) { + phaseMutation.remove(phase, mutation); + cleanupPhaseMutation(); + } + } + @Override - public > void addContext(final Class namespace, + public > void addContext(final Class<@NonNull N> namespace, final KT key,final StmtContext stmt) { addContextToNamespace(namespace, key, stmt); } @@ -808,7 +612,7 @@ public abstract class StatementContextBase, E case CONTEXT_INDEPENDENT: if (hasEmptySubstatements()) { // This statement is context-independent and has no substatements -- hence it can be freely shared. - return Optional.of(this); + return Optional.of(replicaAsChildOf(parent)); } // FIXME: YANGTOOLS-694: filter out all context-independent substatements, eliminate fall-through // fall through @@ -840,15 +644,15 @@ public abstract class StatementContextBase, E private , Z extends EffectiveStatement> Mutable childCopyOf( final StatementContextBase original, final CopyType type, final QNameModule targetModule) { final Optional> implicitParent = definition.getImplicitParentFor( - original.getPublicDefinition()); + original.publicDefinition()); final StatementContextBase result; final InferredStatementContext copy; if (implicitParent.isPresent()) { final StatementDefinitionContext def = new StatementDefinitionContext<>(implicitParent.get()); - result = new SubstatementContext(this, def, original.getStatementSourceReference(), - original.rawStatementArgument(), original.getStatementArgument(), type); + result = new SubstatementContext(this, def, original.sourceReference(), original.rawArgument(), + original.argument(), type); final CopyType childCopyType; switch (type) { @@ -874,6 +678,16 @@ public abstract class StatementContextBase, E return result; } + @Override + public final StatementContextBase replicaAsChildOf(final Mutable parent) { + checkArgument(parent instanceof StatementContextBase, "Unsupported parent %s", parent); + return replicaAsChildOf((StatementContextBase) parent); + } + + final @NonNull StatementContextBase replicaAsChildOf(final StatementContextBase stmt) { + return new ReplicaStatementContext<>(stmt, this); + } + private static void checkEffectiveModelCompleted(final StmtContext stmt) { final ModelProcessingPhase phase = stmt.getCompletedPhase(); checkState(phase == ModelProcessingPhase.EFFECTIVE_MODEL, @@ -888,7 +702,7 @@ public abstract class StatementContextBase, E @Beta public final StatementContextBase wrapWithImplicit(final StatementContextBase original) { final Optional> optImplicit = definition.getImplicitParentFor( - original.getPublicDefinition()); + original.publicDefinition()); if (optImplicit.isEmpty()) { return original; } @@ -896,8 +710,7 @@ public abstract class StatementContextBase, E final StatementDefinitionContext def = new StatementDefinitionContext<>(optImplicit.get()); final CopyType type = original.getCopyHistory().getLastOperation(); final SubstatementContext result = new SubstatementContext(original.getParentContext(), def, - original.getStatementSourceReference(), original.rawStatementArgument(), original.getStatementArgument(), - type); + original.sourceReference(), original.rawArgument(), original.argument(), type); result.addEffectiveSubstatement(original.reparent(result)); result.setCompletedPhase(original.getCompletedPhase()); @@ -912,157 +725,4 @@ public abstract class StatementContextBase, E * @return True if {@link #allSubstatements()} and {@link #allSubstatementsStream()} would return an empty stream. */ abstract boolean hasEmptySubstatements(); - - final boolean hasEmptyEffectiveSubstatements() { - return effective.isEmpty(); - } - - /** - * Config statements are not all that common which means we are performing a recursive search towards the root - * every time {@link #isConfiguration()} is invoked. This is quite expensive because it causes a linear search - * for the (usually non-existent) config statement. - * - *

- * This method maintains a resolution cache, so once we have returned a result, we will keep on returning the same - * result without performing any lookups, solely to support {@link SubstatementContext#isConfiguration()}. - * - *

- * Note: use of this method implies that {@link #isIgnoringConfig()} is realized with - * {@link #isIgnoringConfig(StatementContextBase)}. - */ - final boolean isConfiguration(final StatementContextBase parent) { - final int fl = flags & SET_CONFIGURATION; - if (fl != 0) { - return fl == SET_CONFIGURATION; - } - if (isIgnoringConfig(parent)) { - // Note: SET_CONFIGURATION has been stored in flags - return true; - } - - final StmtContext configStatement = StmtContextUtils.findFirstSubstatement(this, - ConfigStatement.class); - final boolean isConfig; - if (configStatement != null) { - isConfig = configStatement.coerceStatementArgument(); - if (isConfig) { - // Validity check: if parent is config=false this cannot be a config=true - InferenceException.throwIf(!parent.isConfiguration(), getStatementSourceReference(), - "Parent node has config=false, this node must not be specifed as config=true"); - } - } else { - // If "config" statement is not specified, the default is the same as the parent's "config" value. - isConfig = parent.isConfiguration(); - } - - // Resolved, make sure we cache this return - flags |= isConfig ? SET_CONFIGURATION : HAVE_CONFIGURATION; - return isConfig; - } - - protected abstract boolean isIgnoringConfig(); - - /** - * This method maintains a resolution cache for ignore config, so once we have returned a result, we will - * keep on returning the same result without performing any lookups. Exists only to support - * {@link SubstatementContext#isIgnoringConfig()}. - * - *

- * Note: use of this method implies that {@link #isConfiguration()} is realized with - * {@link #isConfiguration(StatementContextBase)}. - */ - final boolean isIgnoringConfig(final StatementContextBase parent) { - final int fl = flags & SET_IGNORE_CONFIG; - if (fl != 0) { - return fl == SET_IGNORE_CONFIG; - } - if (definition.support().isIgnoringConfig() || parent.isIgnoringConfig()) { - flags |= SET_IGNORE_CONFIG; - return true; - } - - flags |= HAVE_IGNORE_CONFIG; - return false; - } - - protected abstract boolean isIgnoringIfFeatures(); - - /** - * This method maintains a resolution cache for ignore if-feature, so once we have returned a result, we will - * keep on returning the same result without performing any lookups. Exists only to support - * {@link SubstatementContext#isIgnoringIfFeatures()}. - */ - final boolean isIgnoringIfFeatures(final StatementContextBase parent) { - final int fl = flags & SET_IGNORE_IF_FEATURE; - if (fl != 0) { - return fl == SET_IGNORE_IF_FEATURE; - } - if (definition.support().isIgnoringIfFeatures() || parent.isIgnoringIfFeatures()) { - flags |= SET_IGNORE_IF_FEATURE; - return true; - } - - flags |= HAVE_IGNORE_IF_FEATURE; - return false; - } - - // Exists only to support SubstatementContext/InferredStatementContext - final @NonNull Optional substatementGetSchemaPath() { - SchemaPath local = schemaPath; - if (local == null) { - synchronized (this) { - local = schemaPath; - if (local == null) { - local = createSchemaPath(coerceParentContext()); - schemaPath = local; - } - } - } - - return Optional.ofNullable(local); - } - - private SchemaPath createSchemaPath(final Mutable parent) { - final Optional maybeParentPath = parent.getSchemaPath(); - verify(maybeParentPath.isPresent(), "Parent %s does not have a SchemaPath", parent); - final SchemaPath parentPath = maybeParentPath.get(); - - if (StmtContextUtils.isUnknownStatement(this)) { - return parentPath.createChild(getPublicDefinition().getStatementName()); - } - final Object argument = getStatementArgument(); - if (argument instanceof QName) { - final QName qname = (QName) argument; - if (StmtContextUtils.producesDeclared(this, UsesStatement.class)) { - return maybeParentPath.orElse(null); - } - - return parentPath.createChild(qname); - } - if (argument instanceof String) { - // FIXME: This may yield illegal argument exceptions - final Optional> originalCtx = getOriginalCtx(); - final QName qname = StmtContextUtils.qnameFromArgument(originalCtx.orElse(this), (String) argument); - return parentPath.createChild(qname); - } - if (argument instanceof SchemaNodeIdentifier - && (StmtContextUtils.producesDeclared(this, AugmentStatement.class) - || StmtContextUtils.producesDeclared(this, RefineStatement.class) - || StmtContextUtils.producesDeclared(this, DeviationStatement.class))) { - - return parentPath.createChild(((SchemaNodeIdentifier) argument).getPathFromRoot()); - } - - // FIXME: this does not look right - return maybeParentPath.orElse(null); - } - - @Override - public final String toString() { - return addToStringAttributes(MoreObjects.toStringHelper(this).omitNullValues()).toString(); - } - - protected ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) { - return toStringHelper.add("definition", definition).add("rawArgument", rawStatementArgument()); - } }